A company received a shipment of 23 laser printers, including 5 that are defective. 3 of these printers are selected to be used in the copy room. (a) How many selections can be made?
28
(b) How many of these selections will contain no defective printers?
33649

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Step-by-step explanation:

4+n=5

step-by-step explanation:

this is because the four is four hours and the n represents the 1 extra hour over the weekend.

b= i'm srry i don't know that one.

4+n=5 n=1 because if vernon plays 5 hours a week then 4+1=5 hours.

hope this : )